MySQL index hint support for ActiveRecord

Represent ActiveRecord Markdown, Textile, RDoc columns as Markdown, Textile, RDoc objects using various external libraries to convert to HTML.

Fast Rails serializer with built-in caching

Easy Parallel Executing using Celluloid

Faster implementation of Haml template language.

https://github.com/tsukasaoishi/fresh_connection

Another business actions architecture for Rails apps

lazy_migrate lets you easily see which migrations have and have not been run, and makes it easy to up/down/migrate/rollback your migrations through a terminal UI. You can even bump migration versions in the event that you've just pulled master and somebody else merged their migration before yours.

Automatic detecting missing I18n translations tool.

A basic Mandrill delivery method for Rails.

Implements the common view pattern by which a list of messages are shown at the top, often a combination of flash messages and ActiveRecord validation issues on one or more models.

Provides fields and methods for the rating manipulation on Mongoid documents.

Improve perceived performance of your rails application with minimum effort

An extension to paper_trail, using this you can fetch actual object who was responsible for this change

Browse, subscribe, view and revert changes to records when using Ruby on Rails 3 and the `paper_trail` gem.

Browse, subscribe, view and revert changes to records when using Rails and the `paper_trail` gem.

Debugging toolbar for Rack applications implemented as middleware. Based on logical-insight and rack-bug.

Run your data migration tasks in a db:migrate-like manner

A Rails engine that adds a piece of middleware to the top of your middleware stack that looks for redirect rules stored in your database and redirects you accordingly.

Resque plugin to add unique jobs